"I kind of was bummed that I wasn't the mother on How I Met Your Mother," she told Parade. "I've always loved that show."

"I was a fan from the beginning, so I was just excited to be a part of it and excited that I got to have such a long arc."

Morrison went on to describe the How I Met Your Mother set as a "wonderful work environment".

"It was by far my favorite thing I've worked on in television in terms of the group of people and the crew and the hours," she said. "I would have loved to have been the mother, but I kind of knew going into it that I didn't fit all the little pieces that they had set up."

She continued: "I didn't have the yellow umbrella and all that stuff, so I knew I wasn't the mom.